Razor Sonic Glow Hovertrax is all about beat and lights. Featuring a built-in Bluetooth wireless speaker, it easily connects to your mobile device to play your favorite music. What's even cooler is the synchronized multi-colored LED lights that dance to the beat of the music. Razor's EverBalance technology automatically levels the Hovertrax upon power up before the user mounts. A single battery charge lets you enjoy up to 30 minutes of continuous riding time while the dual 150-watt brushless hub motors let you hit speeds up to 8 mph (12.8 km/h). Designed for ages 8 and up to 176 lbs (80 kg), this UL 2272-certified hoverboard meets the industry's highest electrical safety standards. With the electric power, music, and colorful lights, you'll have so much fun riding on the Sonic Glow Hovertrax.